Encyclopaedia of World Environment: Pollution (Volume IV)
Trivedi, P. R.
Encyclopaedia of World Environment: Pollution (Volume IV) - New Delhi: A P H, 1999. - 330p.
Ecology
577.03 TRI
Encyclopaedia of World Environment: Pollution (Volume IV) - New Delhi: A P H, 1999. - 330p.
Ecology
577.03 TRI